Implement shadowban
Add /help for shadow ban
Default secondary shadow ban action to mute
Update gen 2 events

- Added event numbers
- Added missing events
- Fixed incorrect events
Revert "Add viable moves for Mega Heracross"

This reverts commit ad248054945f57bbdc0485ac0aede5496888b009.
Update gen 2 tiers

Use LC where applicable (for consistency)
Add missing unreleased hidden abilities
add BL2 to /dexsearch
Merge pull request #878 from asgdf/patch-7

add BL2 to /dexsearch
Add DPP Ubers ladder
Fix crash in Gen 1 Bide
Very minor style fixes
Merge pull request #880 from kotarou3/stylefix

Very minor style fixes
Merge remote-tracking branch 'upstream/master' into shadowban

Conflicts:
	rooms.js
Coding style for consts
Magnezone is being tested in UU
April Friendly is over
Merge pull request #824 from kotarou3/shadowban

Implement shadowban
Prevent illegal gen 1 movesets

Hardcoded because there are only a few, and it only affects gen 1 as the
move relearner didn't exist.

Source: https://smogon.com/forums/threads/78638/
Don't tier Arceus seperately

Arceus was not included in 9050bb4a25b3063304a2e63479dcd5ea45021a56